instructions
n1 n2 -> n1!=n2
NEQ -> Pushes $01 if bytes n1 != n2, $00 otherwise
NEQw -> Pushes $01 if words n1 != n2, $00 otherwise
NEQx -> Pushes $01 if bytes n1 != x, $00 otherwise
NEQxw -> Pushes $01 if words n1 != xw, $00 otherwise
NEQy -> Pushes $01 if bytes n1 != y, $00 otherwise
NEQyw -> Pushes $01 if words n1 != yw, $00 otherwise
NEQxy -> Pushes $01 if bytes x != y, $00 otherwise
NEQxyw -> Pushes $01 if words xw != yw, $00 otherwise